Midea MGA-D10/N1 Manual page 38

MCAC-UTSM-2008-11
E9: Digital scroll compressor discharge temperature sensor is abnormal (thermostat display E4)
LED indicates E9
Judge 1: Check whether air outlet is blocked by
Judge 2: Check whether the condenser coil fin
Judge 3: Check whether the ambient temperature is
Judge 4: Check whether the condenser fan is
Judge 5: Check whether the refrigerant is charged
Outdoor Unit
sundries.
No
gets dirty
No
too high.
No
abnormal
No
too little
Yes
Clear the sundries to ensure smooth air
Yes
Clean the condenser.
Yes
Add sunshade facilities.
Yes
Check the outdoor fan.
Yes
Recharge the refrigerant
Troubleshooting
exhaust.
37